MagneticStripeReader.CheckHealthAsync(UnifiedPosHealthCheckLevel) 方法

定义

重要

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编辑

测试磁条读取器的运行状况。

public:
 virtual IAsyncOperation<Platform::String ^> ^ CheckHealthAsync(UnifiedPosHealthCheckLevel level) = CheckHealthAsync;

/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<winrt::hstring> CheckHealthAsync(UnifiedPosHealthCheckLevel const& level);

[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<string> CheckHealthAsync(UnifiedPosHealthCheckLevel level);

function checkHealthAsync(level)

Public Function CheckHealthAsync (level As UnifiedPosHealthCheckLevel) As IAsyncOperation(Of String)

特定运行状况检查级别。

IAsyncOperation<Platform::String>

IAsyncOperation<winrt::hstring>

文本结果的文本说明。如果设备不支持指定的检查级别，则返回错误。